xv, 327 p. : 26 cm

Bad calibration -- Getting inside a brick -- In the running -- The domino effect -- What a mesh! -- The sands of time -- Anyone for tennis? -- Tiresome parrot -- A wire cube -- A cube of many colors -- Paper folding -- Colored cubes -- No-one twice as rich -- Find the dud -- Eternal triangle -- Painting models -- Sums of consecutive numbers -- Hand in hand -- Unicursal -- Do-it-yourself -- Number the regions -- Fair proportion -- More or less -- Not much difference -- Leapfrog -- Slicing a cube -- Sums around a circle -- How many voted? -- Shelf space -- What's the difference? -- Shortest path -- Unneighborly circuit -- Emptying heaps -- The cookie monster -- Bull's-eye -- Off-off-off-price -- Sums and differences -- Fair shares -- Turning $0.88 into $1.60 -- Musical squares -- Pouring down -- Equal but different -- Mitosis -- Free-throw contest -- Restore these multiplications -- Seven-eleven -- All ten digits -- Minimize the walking -- Equally productive -- Join the dots -- Three truths, two lies -- Diminishing returns -- Fidgits with digits -- Plus or minus -- Truth or consequences -- Lying about lying -- Roads of destiny -- Twixt truth and falsehood -- Stringing along -- Magic square -- Count up and count down -- Seventh-fold deletion -- A binary cryptarithm -- First service -- Eight into six won't go -- Times are odd! -- Round-robin wrestling -- Knockout tennis -- Rummy -- Nine cubits -- Nine-fold insert -- Magic rectangle -- Dunrovian coinage -- An elevating experience -- Another elevating experience -- Squaring the triangle -- Plus-minus grid -- Staffing problem -- Difference of squares -- Making a soccer ball -- Clicker, the robot -- Tricolored triangles -- A game of Snap -- Variegated products -- Complete satisfaction -- Numberworm -- Longer worms -- Guideposts -- Straight strokes -- Heads I win, tails you lose -- Rewards for work well done -- The school dance -- Well-balanced neighbors -- A 9-hole and an 11-hole course -- Elephant waltz -- Equal sums -- Equal products -- Four-letter words -- Lost galoshes -- Six sums the same -- Collective bargaining -- A confusion of coins -- Completing the square -- Countdown -- Give or take -- Skipping around the track -- Fifty-fifty -- Casting out the threes -- Location, location, location -- Growth spurt -- Wheels within wheels -- Crossed polygons -- Turning points -- Two pointed questions -- Oddly even -- Latin squares with diverse diagonals -- Seeing double -- Empty nest -- Tetrominoes -- Intersecting lines -- Domino cover-up -- Secret lives -- Reverse ordering -- Different sums for different lines -- More diverse line sums -- A dollar a year -- The Sol LeWitt puzzle -- Leveling up -- Dial a pile -- Fencing a field -- Partitioned latin squares -- Balanced numbers -- Divisible digits -- Leg work -- Contending contestants -- Magic products -- Goggles retrieval -- Paper folding sequences -- Green acres -- Keeping in the nines -- Seven divisions -- Elementary, my dear Watson! -- Winners in, losers out -- Four square -- Less is more -- Take 'em away -- Trivalence -- Half and half -- Go for gold! -- Destructive Dan -- Let's face it -- Packing calissons -- Ballroom dance-cards -- Scrambled shoebox -- Covering with trominoes -- Four for four -- Tables for four -- Dot-to-dot -- Counterfeit coins -- Delegate mixer -- Round-robin volleyball -- Encoded pentomino tiling -- More pentomino rectification -- Beware of frost -- Tower of pizza -- Strange bedfellows -- Squaring the rectangle -- Some good ones -- Fair and square -- Try your luck -- Visitors from outer space -- Find the dominoes -- Find more dominoes -- Banquet seating -- A planned neighborhood -- A temperamental elevator -- Patternizing -- Minimal extraction -- Tom and Jerry -- Notched blocks -- Tiling with quadrilaterals -- Sum of digits of square -- Number of the beast -- Divisible digits -- Pretty products -- Meltdown -- A list of jousts -- Curious fences -- Cars or carts -- Chain reaction -- Two cryptarithms -- Odd neighbors -- The powers that be -- The towers that be -- Blacksmithery -- Crossnumber puzzle -- Happy campers -- A regular icosagon -- Parquet flooring -- Magic line -- Magic fifteen -- Tic-Tac-Toe -- All x-ed out -- Head on collision -- Staking claims -- One or both -- Help the king home -- Casting in the nines -- Operands and operants -- Toad Road -- Room for one more -- Tiling with trapdoor -- Lucky sevens -- Factorial digits -- Two sums the same -- The first shall be last -- Nonattacking queens -- Magic triangle -- Far flung points -- By air or sea -- Can you wing it? -- Outward bound -- Build more overpasses -- Point of no return -- A better plan -- Business card exchange -- Consecutive sums -- Incompetent advisors -- A number scale -- Give and take -- Chess tournament scores -- Equal and unequal shares -- Two more cryptarithms -- Peter makes his point -- Covering a disk -- Sentries in the square -- Forward thinking -- Tetromino tilings -- Divisibility by 11 -- Painting by numbers -- Gasp! Asp! -- Unlucky thirteen -- Animal sociology -- Musical chairs -- Taking the cake -- Domino tiling -- Divisors of repunits -- Modular triangles -- Digital sums -- More gold medalists -- House numbers in Straightsville -- No two in a line -- Lie detection -- Think of five numbers -- Dan's crazy computer -- The 13-coin problem -- The Treasury

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